Boomerang



FIG. 1 is a perspective view of my design for a boomerang.

FIG. 2 is a top plan view of my design shown in FIG. 1, the bottom planview being a mirror image of the drawing in FIG. 2.

FIG. 3 is a left side view of my design shown in FIG. 1; and,

FIG. 4 is a right side view of my design shown in FIG. 1.

The ornamental design for a boomerang, as shown and described.